131344535443212 has 144 divisors (see below), whose sum is σ = 419671428950592. Its totient is φ = 33704092224000.

The previous prime is 131344535443211. The next prime is 131344535443213. The reversal of 131344535443212 is 212344535443131.

131344535443212 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 4 + 45 + 354 + 43 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (131344535443211) and next prime (131344535443213).

It is not an unprimeable number, because it can be changed into a prime (131344535443211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 541675539 + ... + 541917962.

It is an arithmetic number, because the mean of its divisors is an integer number (2914384923268).

Almost surely, 2^{131344535443212} is an apocalyptic number.

131344535443212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131344535443212 is an abundant number, since it is smaller than the sum of its proper divisors (288326893507380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131344535443212 is a wasteful number, since it uses less digits than its factorization.

131344535443212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083593568 (or 1083593563 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The spelling of 131344535443212 in words is "one hundred thirty-one trillion, three hundred forty-four billion, five hundred thirty-five million, four hundred forty-three thousand, two hundred twelve".